Review Flashcards
The fleshy portion of a muscle
Belly
Part of the muscle name referring to fibers parallel to midline.
Rectus
The end of a muscle attached to the stationary bone
Origin
Part of a muscle name referring to the smallest set of muscles.
Minor
A muscle that stabilizes the origin of a prime mover.
Fixators
The biceps brachii and tricep brachii muscles function as.
Antagonist
Muscle that helps the prime mover function more efficiently
Synergists
Part of a muscle name referring to a two-headed origin
Biceps
Part of a muscle name referring to a muscle with a circular shape.
Orbicularis
Muscles generally move the bone they lie___ to.
Proximal
In order to move a bone, a muscle must have its ___ no that bone
Insertion
Part of a muscle referring to fibers perpendicular to midline
Transverse
Muscles of the back (posterior trunk) function to do what action to the head, trunk , and upper arm.
Extend
A muscle that produces an affect opposite of prime mover
Antagonist
Part of the muscle name referring to the largest of a set of muscles
Maximus
The end of a muscle attached to the movable bone
Insertion
Part of a muscle name referring to a muscle with a triangular shape
Deltiod
Part of a muscle name referring to three headed origin
Triceps
Most movements occur due to the contraction of a _____ of muscle
Group
The hamstring muscles function to do what action to the lower leg
Flex
Fixators ____ the origin of the prime mover so that the prime mover acts more efficiently
Stablize
Smiling
Zygomaticus major
Rotates, the vertebral column to twist us sideways
External oblique
Flexes and rotates the head
Sternocleidomastiod
Used in crossing our legs– flexes the leg at the knee joint and abducts and laterally rotates thigh a the hip joint.
Sartorius
Together with the adductor group, adducts together at the thigh at the hip joint
Gracilis
Closes eyelids
Orbicularis oculi
Extends arm when the posterior portion contracts, abducts the arm when the lateral portion contracts, and flexes the arm when the anterior portion contracts.
Deltoid
Abducts, flexes, or extends the arm at the shoulder joint
Deltoid
Muscle on the thumb side the flexes hand
Flexor-Carpi radius
Group that flexes the lower leg and extends at the thigh
Hamstrings
Arm muscle that flexes arm and forearm
Biceps brachii
Works with the soles to plantarflex the foot
Gastrocnemius
Group that extends the leg at the knee joint
Quadriceps
Well-Developed swimming muscle used to extend, adduct, or rotate the arm
Latissimus dorsi
Extends the phalanges
Extensor digitorum
Boxer use this muscle to move the scapula laterally and forward
Serratus anterior
Main muscle that closes the jaw
Masseter
The only quadriceps muscle that flexes the thigh and extends the leg
Rectus femoris
Puckers lips
Orbicularis oris
Posterior arm muscle that extends the arm at the shoulder.
Triceps brachii
Wrinkles the skin of the forehead
Frontalis